We are using Slack to collaborate between employees, as many of them are working from home. While I personally started using it a couple of years ago, it has been about a month since all of our employees began using it.
Project Manager - Business Consultant at Comtrade System Integration
An easy to use, cost-effective collaboration tool with all the functionality that we need
Pros and Cons
- "Slack makes it easy for employees to contact each other and exchange documents or information."
- "I would like to see a special feature for multiple people to collaborate on a document, working on it at the same time."
What is our primary use case?
How has it helped my organization?
Slack allows our employees to share information on a daily basis without overloading email.
What is most valuable?
This solution is easy to use.
Slack makes it easy for employees to contact each other and exchange documents or information. It is not like a big CRM but for internal usage, it's good enough.
What needs improvement?
I would like to see a special feature for multiple people to collaborate on a document, working on it at the same time.
For most add-ons, clients need to know the command to run the add-ons. I think it would be useful for them to design the appropriate icons so that non-IT clients can launch them in a simple and easy way. For example, starting a video conference with an already defined room.
It would be useful for an organization to be able to define a specific storage space for the storage of all documents exchanged by teams
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Slack
May 2025

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For how long have I used the solution?
I have been using Slack for two years.
What do I think about the stability of the solution?
This is a stable solution.
What do I think about the scalability of the solution?
We are only using the free version so I do not really know about the scalability.
We have 300 users and daily, there are 60% to 70% of them using it.
How are customer service and support?
I have not needed to contact technical support.
How was the initial setup?
Slack is very easy to set up and there are only a few steps involved.
What about the implementation team?
We deployed this solution ourselves. It was easy to send employees invitations to join.
What's my experience with pricing, setup cost, and licensing?
We use the free version that does not have a license.
Which other solutions did I evaluate?
We may use Microsoft teams in place of Slack in the future, although this is not a decision that I will be part of. At this time, there is not much interest in moving to Zoom or Teams.
We did not want to spend too much time investigating options before starting our remote work and because I was familiar with Slack, this is what I chose.
What other advice do I have?
My advice for anybody who is researching Slack is that it is easy to set up and quite helpful for daily common things. We use only the free license but it is enough for us. If we continue to use Slack after the current crisis ends then we may buy more features and add-ons. For now, however, we have what we need.
Overall, we are satisfied with Slack.
I would rate this solution an eight out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.

Senior Project Manager in Group Application Architecture at a tech services company with 5,001-10,000 employees
A stable platform for video conferencing, but in-meeting content sharing need to be improved
Pros and Cons
- "The most valuable features are video conferencing and sharing content during meetings."
- "I would like the in-meeting content sharing facility to be improved."
What is our primary use case?
We use Slack for having meetings with one of our vendors.
What is most valuable?
The most valuable features are video conferencing and sharing content during meetings.
What needs improvement?
I would like the in-meeting content sharing facility to be improved.
For how long have I used the solution?
We have been using Slack for about one year.
What do I think about the stability of the solution?
Slack is stable and we haven't had any problems.
What do I think about the scalability of the solution?
We have not had issues with scalability but our audiences in the meetings have not been large.
How are customer service and technical support?
The technical support is fine.
Which solution did I use previously and why did I switch?
In addition to Slack, we use Microsoft Teams as well as Skype. I think that all of these products are comparable, with nothing, in particular, that is an advantage or disadvantage.
What other advice do I have?
Overall, Slack meets the needs that we have.
I would rate this solution as average, at five out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Slack
May 2025

Learn what your peers think about Slack. Get advice and tips from experienced pros sharing their opinions. Updated: May 2025.
857,028 professionals have used our research since 2012.
Tech blogger at Blogospedia
Good content management with named channel capability to focus projects
Pros and Cons
- "Slack is a powerpack bundle of features that help small or large organizations to handle teams and their tasks."
- "I would like to see the social sharing of blogs, announcements, or other news directly from the message corner."
What is our primary use case?
I use Slack to communicate mainly for content related tasks with clients as they find it easy and quick to keep track of all of the on-going projects. Most importantly, it helped me to communicate with other content writers whenever I have to work in a team for a particular content project.
How has it helped my organization?
Earlier, while we used to communicate through email, it was good but it became difficult to keep track of all the projects and keep ourselves updated with the latest changes. Since we started using Slack, we have been able to solve each other's problems and identify all of the loopholes within a reasonable timeline.
What is most valuable?
Slack is a powerpack bundle of features that help small or large organizations to handle teams and their tasks. Personally, I love the feature that gives you the ability to name a channel as per task and include/exclude members within that channel to eradicate all other disturbances.
What needs improvement?
According to my observation, a large size file sharing feature is what can be expected, which will centralize all activities within Slack and that can save a lot of time.
I would like to see the social sharing of blogs, announcements, or other news directly from the message corner.
For how long have I used the solution?
I have been using this solution for three years.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Operations Manager at Be You Plus
I really liked the Slack bot and its integration with partners to make the work easy
What is our primary use case?
It's our organization's chatroom where workflows and information are passed. We use Slack for communication within teams.
How has it helped my organization?
Slack has been very useful in our organization for doing communications and passing on pieces of information.
What is most valuable?
I really liked the Slack bot and its integration with partners to make the work easy and with proper flow. We can create a group also.
What needs improvement?
- I think it's the best till now and the Slack team is doing well.
- It will be great if they can start using the offline mode chat. Once we are back online, it will float the messages again.
For how long have I used the solution?
One to three years.
What do I think about the stability of the solution?
The product is stable, but you need an online connection.
What do I think about the scalability of the solution?
This product has been doing well until now.
Which solution did I use previously and why did I switch?
We were using Google Hangouts before Slack.
How was the initial setup?
The initial setup was very easy.
What about the implementation team?
It was an in-house implementation and easy to set up.
What's my experience with pricing, setup cost, and licensing?
You can have a free trial also for Slack, and its pricing depends on the features and team size you want to go with. The pricing is good, and it's worth it.
Which other solutions did I evaluate?
We were planning for Skype, Discord and Microsoft Teams.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
CTO at UnblockAfrica
Real-time collaboration and simultaneous document editing increases team productivity
Pros and Cons
- "Its intuitive design makes it easy to use and understand, hence we do not have a need to spend much on educating our teams."
- "The only area of concern that I have is with the inability to preview received documents without having to download them first."
What is our primary use case?
I mainly use Slack as a collaborative chat, video and audio tool. I am able to set up a Slack room for different purposes and have all major stakeholders collaborate in real time. I enjoy the functionality on Slack that enables my team members to edit and collaborate on documents simultaneously.
How has it helped my organization?
Slack has helped to increase the productivity of my teams and organization. We have been able to cut down on subscription costs, reduce client delivery time, troubleshoot more effectively, and achieve positive results more easily. Its intuitive design makes it easy to use and understand, hence we do not have a need to spend much on educating our teams.
What is most valuable?
Chat, video, and call functionality has been awesome. The ease of setting up and integrating with other apps is seamless. Data consumption by the app is also at its barest minimum, helping to cut costs on the amount of data required to explore calls, video, or chat functionalities within the app.
What needs improvement?
I think the app is good enough, as I don't have any reason to comment negatively on it. The only area of concern that I have is with the inability to preview received documents without having to download them first. This could offer some sense of security and prevent downloading corrupted files or viruses.A "preview attachment/document" would suffice as an improvement, this will allow users decide if the need to download an attachment or not
For how long have I used the solution?
More than two years.
What do I think about the stability of the solution?
With respect to the stability, the app functions well, without glitches.
What do I think about the scalability of the solution?
This is a very scalable solution.
How are customer service and technical support?
Technical support for this solution has been very helpful.
Which solution did I use previously and why did I switch?
I did not use another solution prior to this one.
How was the initial setup?
The initial setup is very easy and straightforward.
What about the implementation team?
The vendor handled our implementation and did a professional job.
What was our ROI?
Our ROI is approximately 40%.
Which other solutions did I evaluate?
I have evaluated both Microsoft Teams and Skype.
What other advice do I have?
This is a great app that has awesome functionality. A try will definitely be worth it.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Works
The integrations feature is the most powerful feature because some issues are of immediate priority
What is our primary use case?
We are using Slack for all office internal communications — to create polls, reminders, notifications for builds, etc.
How has it helped my organization?
Previously, we were using Skype and HipChat, but the issue was we had bad notifications systems, so that's why we shifted to Slack.
What is most valuable?
In my opinion, the integrations feature is the most powerful feature because some issues are of immediate priority and we want to get the notification promptly, and through the Jira plug-in, we are getting those.
What needs improvement?
I think the login feature needs to be improved most because I've been having an issue with logging in to the desktop app for more than six months, but still, it's not been resolved.
For how long have I used the solution?
One to three years.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Their integration is a game changer, and the UX is really great
What is our primary use case?
I use it every time. For professional and personal use. Their integration is a game changer, and the UX is really great.
How has it helped my organization?
- Process made easy
- Collaboration between teams increased
- Productivity is now largely increased: top.
What is most valuable?
- Integration with Phantombuster, Box, and many many more.
- Now, teams can do much more and proactively with Slack.
What needs improvement?
- We can't improve the perfection.
- The pricing is OK.
- The UX is wonderful.
- They could improve the calling quality.
For how long have I used the solution?
Three to five years.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Manager, Live Production at a computer software company with 1,001-5,000 employees
Works better than most solutions out there. Notifications rarely show up.
Pros and Cons
- "Overall, it is a good idea as it works better than most solutions out there."
- "The mobile app needs improvement. It consistently misses notifications."
What is most valuable?
Overall, it is a good idea as it works better than most solutions out there.
What needs improvement?
The mobile function is horrible.
What do I think about the stability of the solution?
Notifications rarely show up. Either messages will not send or they will send twice.
What other advice do I have?
The mobile app needs improvement. It consistently misses notifications.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.

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